I have two columns of data, the first column contains a reference, and the second contains the data, I want to be able to find data in the second column where the value in the first column matches a given reference. I can do this if the reference is unique in the first column, however the same reference may occur several times in the first column and I want to be abnle to return all values that match not just the first one.
Thank you in advance for your assistance in this matter.
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